﻿using System;
using System.Collections.Generic;
using System.Text;

namespace Ajax.Common
{
	public class StringPlus
	{
		public static List<string> GetStrArray(string str, char speater, bool toLower)
		{
			List<string> list = new List<string>();
			string[] ss = str.Split(speater);
			foreach (string s in ss)
			{
				if (!string.IsNullOrEmpty(s) && s != speater.ToString())
				{
					string strVal = s;
					if (toLower)
					{
						strVal = s.ToLower();
					}
					list.Add(strVal);
				}
			}
			return list;
		}
		public static string[] GetStrArray(string str)
		{
			return str.Split(new char[',']);
		}
		public static string GetArrayStr(List<string> list, string speater)
		{
			StringBuilder sb = new StringBuilder();
			for (int i = 0; i < list.Count; i++)
			{
				if (i == list.Count - 1)
				{
					sb.Append(list[i]);
				}
				else
				{
					sb.Append(list[i]);
					sb.Append(speater);
				}
			}
			return sb.ToString();
		}


		#region 删除最后一个字符之后的字符

		/// <summary>
		/// 删除最后结尾的一个逗号
		/// </summary>
		public static string DelLastComma(string str)
		{
			return str.Substring(0, str.LastIndexOf(","));
		}

		/// <summary>
		/// 删除最后结尾的指定字符后的字符
		/// </summary>
		public static string DelLastChar(string str, string strchar)
		{
			return str.Substring(0, str.LastIndexOf(strchar));
		}

		#endregion




		/// <summary>
		/// 转全角的函数(SBC case)
		/// </summary>
		/// <param name="input"></param>
		/// <returns></returns>
		public static string ToSBC(string input)
		{
			//半角转全角：
			char[] c = input.ToCharArray();
			for (int i = 0; i < c.Length; i++)
			{
				if (c[i] == 32)
				{
					c[i] = (char)12288;
					continue;
				}
				if (c[i] < 127)
					c[i] = (char)(c[i] + 65248);
			}
			return new string(c);
		}

		/// <summary>
		///  转半角的函数(SBC case)
		/// </summary>
		/// <param name="input">输入</param>
		/// <returns></returns>
		public static string ToDBC(string input)
		{
			char[] c = input.ToCharArray();
			for (int i = 0; i < c.Length; i++)
			{
				if (c[i] == 12288)
				{
					c[i] = (char)32;
					continue;
				}
				if (c[i] > 65280 && c[i] < 65375)
					c[i] = (char)(c[i] - 65248);
			}
			return new string(c);
		}

		public static List<string> GetSubStringList(string o_str, char sepeater)
		{
			List<string> list = new List<string>();
			string[] ss = o_str.Split(sepeater);
			foreach (string s in ss)
			{
				if (!string.IsNullOrEmpty(s) && s != sepeater.ToString())
				{
					list.Add(s);
				}
			}
			return list;
		}


		#region 将字符串样式转换为纯字符串
		public static string GetCleanStyle(string StrList, string SplitString)
		{
			string RetrunValue = "";
			//如果为空，返回空值
			if (StrList == null)
			{
				RetrunValue = "";
			}
			else
			{
				//返回去掉分隔符
				string NewString = "";
				NewString = StrList.Replace(SplitString, "");
				RetrunValue = NewString;
			}
			return RetrunValue;
		}
		#endregion

		#region 将字符串转换为新样式
		public static string GetNewStyle(string StrList, string NewStyle, string SplitString, out string Error)
		{
			string ReturnValue = "";
			//如果输入空值，返回空，并给出错误提示
			if (StrList == null)
			{
				ReturnValue = "";
				Error = "请输入需要划分格式的字符串";
			}
			else
			{
				//检查传入的字符串长度和样式是否匹配,如果不匹配，则说明使用错误。给出错误信息并返回空值
				int strListLength = StrList.Length;
				int NewStyleLength = GetCleanStyle(NewStyle, SplitString).Length;
				if (strListLength != NewStyleLength)
				{
					ReturnValue = "";
					Error = "样式格式的长度与输入的字符长度不符，请重新输入";
				}
				else
				{
					//检查新样式中分隔符的位置
					string Lengstr = "";
					for (int i = 0; i < NewStyle.Length; i++)
					{
						if (NewStyle.Substring(i, 1) == SplitString)
						{
							Lengstr = Lengstr + "," + i;
						}
					}
					if (Lengstr != "")
					{
						Lengstr = Lengstr.Substring(1);
					}
					//将分隔符放在新样式中的位置
					string[] str = Lengstr.Split(',');
					foreach (string bb in str)
					{
						StrList = StrList.Insert(int.Parse(bb), SplitString);
					}
					//给出最后的结果
					ReturnValue = StrList;
					//因为是正常的输出，没有错误
					Error = "";
				}
			}
			return ReturnValue;
		}
		#endregion

		public string GetCode(string s)
		{
			return null;
		}

	}
}
